same issue again in jessie :
Unpacking libmysqlclient18:amd64 (5.5.52-0+deb8u1) ...
dpkg: error processing archive /var/cache/apt/archives/libmysqlclient18_5.5.52-0+deb8u1_amd64.deb (--unpack):
trying to overwrite '/usr/lib/x86_64-linux-gnu/libmysqlclient_r.so.18', which is also in package libperconaserverclient18.1 5.6.30-25.16-3.jessie
same issue again in jessie : 8:amd64 (5.5.52-0+deb8u1) ... apt/archives/ libmysqlclient1 8_5.5.52- 0+deb8u1_ amd64.deb (--unpack): x86_64- linux-gnu/ libmysqlclient_ r.so.18' , which is also in package libperconaserve rclient18. 1 5.6.30- 25.16-3. jessie
Unpacking libmysqlclient1
dpkg: error processing archive /var/cache/
trying to overwrite '/usr/lib/